Consider a computer system with three levels of memory: cache, RAM and HDD. The computer system's cache hit rate of 95 %

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Consider A Computer System With Three Levels Of Memory Cache Ram And Hdd The Computer System S Cache Hit Rate Of 95 1 (46.51 KiB) Viewed 39 times

Consider a computer system with three levels of memory: cache, RAM and HDD. The computer system's cache hit rate of 95 % and the RAM hit rate of 95%. The cache access time is 0.01 usec, the RAM access time is 0.1 usec and the HDD access time is 10 usec. If the word is accessed directly from the cache, and if missed will be accessed from the RAM then the cache (indirect) and if missed in the RAM will be accessed from the HDD then the RAM then the cache (indirect). a. What is the word access time if only HDD is used? b. What is the mean word access time if cache, RAM & HDD are used? C. What is the performance improvement if cache, RAM and HDD are used compared to using only HDD? I